Merge branch '3.4' into 4.4

* 3.4:
  Update http_foundation.rst

Author: javiereguiluz

components/http_foundation.rst

@@ -726,4 +726,4 @@ Learn More
 .. _nginx: https://www.nginx.com/resources/wiki/start/topics/examples/xsendfile/
 .. _Apache: https://tn123.org/mod_xsendfile/
 .. _`JSON Hijacking`: http://haacked.com/archive/2009/06/25/json-hijacking.aspx
-.. _OWASP guidelines: https://www.owasp.org/index.php/OWASP_AJAX_Security_Guidelines#Always_return_JSON_with_an_Object_on_the_outside
+.. _OWASP guidelines: https://cheatsheetseries.owasp.org/cheatsheets/AJAX_Security_Cheat_Sheet.html#always-return-json-with-an-object-on-the-outside